Finding the Fourth Proportional to 1,870.87, 2,581.72 and 1,104.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.87 : 2,581.72 = 1,104.33 : x
2. Step 2: Convert to fraction form
   1,870.87/2,581.72 = 1,104.33/x
3. Step 3: Cross multiply
   1,870.87x = 2,581.72 × 1,104.33
4. Step 4: Simplify right side
   1,870.87x = 2,851,064.39
5. Step 5: Solve for x
   x = 2,851,064.39/1,870.87
6. Step 6: Final answer
   x = 1,523.92